12657542801 has 8 divisors (see below), whose sum is σ = 12751368000. Its totient is φ = 12563757360.

The previous prime is 12657542791. The next prime is 12657542809. The reversal of 12657542801 is 10824575621.

12657542801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12657542801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12657542809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015316 + ... + 1027706.

It is an arithmetic number, because the mean of its divisors is an integer number (1593921000).

Almost surely, 2^12657542801 is an apocalyptic number.

It is an amenable number.

12657542801 is a deficient number, since it is larger than the sum of its proper divisors (93825199).

12657542801 is a wasteful number, since it uses less digits than its factorization.

12657542801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19879.

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 12657542801 in words is "twelve billion, six hundred fifty-seven million, five hundred forty-two thousand, eight hundred one".